Home services electrical safety lightning protection risk assessment lightning protection study is highly sitespecific, with many designs unique to individual facilities and structures. Thousands of trees are struck by lightning every year. Replaces e1, design to lightning standard, nfpa78008. Nfpa 780 includes lightning protection for typical building construction in chapter four as requirements. Lpi publishes this booklet, lpi 175, based on nfpa 780, with additional explanatory material helpful to installer and inspector member personnel. Lightning protection for gaspipelines installed under the. Chapter 2 lightning protection design, engineering, acquisition. Nfpa 780 standard for the installation of lightning. Materials copper lightning protection materials shall not be installed on or in contact with. Electrical safety lightning protection risk assessment.
Lightning protection systems installed by contractors, can be certifiedlisted by ul using the ul96a, standard for installation. Nfpa 780 provides lightning protection system installation requirements to safeguard people and property from fire risk and related hazards associated with lightning exposure. Design to lightning standard, nfpa78008 thomas mason, p. Calculate no of down conductor for lightning protection. Nfpa 780, standard for the installation of lightning protection systems, delivers a flexible approach to providing applicable safety protocols for lightning hazards based on the use of the.
Certified master label compliant lightning protection systems. Established in 1984, east coast lightning equipment provides highquality, ul listed lightning protection system components to the lightning protection and professional design industries. Nfpa 780 provides lightning protection system installation requirements to safeguard people and property from fire risk and related hazards associated with lightning. With the issuance of the 1995 edition, the name of the document was changed from lightning. Course content graphic overview the primary goal of this course is to learn how to design lightning protection. Standard for the installation of lightning protection systems. For each of these, nfpa 780 2020 outlines unique protection guidelines, covering materials, grounding, bonding, concealed systems, corrosion protection, and various other protective measures. Bring your knowledge in line with the latest protection methods and devices. Standard for the installation of lightning protection systems is essential for. Nfpa 780 2004 edition standard for the installation of lightning protection. Lightning risk assessment alltec lightning protection. Nfpa 780 2008 edition lightning protection institute.
Nfpa 780 2020 revises the 2017 edition of the same standard for the installation of lightning protection systems. Commencing with the 1992 edition of the lightning protection code, the nfpa numerical designation of the document was changed from nfpa 78 to nfpa 780. Provide and install a complete lightning protection system in compliance with the specifications and standards of the most current editions of the national fire protection. It simply makes no sense to preclude equal andor more effective lightning protection devices from the standard for the installation of lightning. Fully updated to reflect the latest protection methods, devices, and safety challenges, the 2014 nfpa 780. No other ground shall be used as a lightning ground see section 4. Lightning protection systems for structures as covered by. Today, i will introduce to you, the most powerful excel. Installation of lightning protection systems to nfpa 780ul 96a application standards nfpa 780 and ul 96a cover assessment of risk from. In 1945, the nfpacommittee and the parallel american standards association asa committee on protection against lightning. It is determined that lightning protection is optional for your facility. On october 4, 2001, the standards council of nfpa national fire protection association dismissed the appeal of the hearys, decided to continue its standard on lightning protection. Design of lightning protection systems dehnsupport toolbox software.
The 2020 edition offers stateoftheart provisions for installations, including onsite physical inspections of completed. This document shall not cover lightning protection system installation requirements for early streamer emission systems or charge dissipation systems. Buy nfpa 780, standard for the installation of lightning. The lightning grounding electrode is a dedicated part of the lightning protection system.
The lightning protection international standard prof. No more complicated calculations with dehnsupport toolbox 2. An updated nfpa 780, lpi 175 and ul 96a risk assessment is forthcoming. Origin and development of nfpa 780 nfpa first adopted specifications for protection of buildings against lightning in 1904. Materials copper lightning protection materials shall not be installed on or in contact with aluminum roofing, aluminum siding, or other aluminum surfaces. The code for lightning protection nfpa780 has gone through a number of revisions. Standard for the installation of lightning protection systems 2017 edition paperback nfpa, nfpa on. Nfpa 70 and nfpa 780 require compliance with different standards and installation requirements. Nfpa 7802020, standard for lightning protection systems. Lightning protection systems for structures as covered by nfpa780 lightning protection code abstract.
Lps are comparable and useful as an alternative to nfpa 780 designs for north american. Designing lightning protection systems using sparkta nfpa. The one point that i have observed is that none of the lightning protection standards really address the reliability and. Ecle nfpa 780 simplified lightning risk assessment. Nfpa 780 lightning protection systems 2017 back order. Ul has developed this guide for use by code authorities. Nfpa 780, standard for the installation of lightning protection systems, delivers a flexible approach to providing applicable safety protocols for lightning hazards based on the use of the building or structure. Nfpa 780 provides separate requirements for lightning protection regarding different properties. Spring02ecenarticle east coast lightning equipment company. Raise protection from lightning exposure to new heights with the 2008 nfpa 780. And all of this equipment should be installed per nfpa 780. Calculate whether lightning protection is required or not for following building. Nfpa 780 standard for the installation of lightning protection systems, 2014 edition national fire protection association on. The standard excludes lightning protection system installation.
The main components of a lightning protection system are air terminals, down conductors and ground rods. Standard for the installation of lightning protection. Lightning protection not mandated designed to protect the structure but not a 100% guarantee active and passive protection lps require equipotential bonding of all metallic systems bond all gas piping 6 awg why, when, what and where nfpa 780. Nfpa 780 standard for the installation of lightning protection systems. Try our free lightning risk assessment calculator for your residential or commercial building. The lightning protection institute lpi adopts the latest edition of the nfpa 780 standard as its reference document for system design. This illustration identifies the components and introduces the basic rules for an. Lightning protection code only available in pdf a description is not available for this item.
The goal of this course is to learn how to design lightning protection systems. Comply with recommendations in nfpa 780, annex d, inspection and maintenance of. Designing lightning protection systems using sparkta nfpa 780 simplified risk assessment. Revised standards were adopted in 1905, 1906, 1925, 1932, and 1937. Standard for the installation of lightning protection systems, 2014 nfpa standards are of national fire protection association nfpa. The entire lightning protection system shall be designed and installed in accordance with. Design calculations of lightning protection systems part. Nfpa 780 simplified risk assessment using flashes per year. This section includes lightning protection for buildings and associated. The function of a lightning protection system is to protect structures from fire or mechanical destruction and to prevent that persons in buildings are injured or even killed. Reflecting the latest protection methods, devices, and safety challenges, the 2017 spanish edition of nfpa 780, standard for the installation of lightning protection systems is the new industry. Once the need for lightning protection has been established, loss of life and property can be avoided by the installation of an approved lightning protection system. Lightning loss risk assessment involves the evaluation of various criteria to determine the risk of loss due to. Fundamentals of lightning protection systems page 1 of 14 fundamentals of lightning protection systems, edition 1c september 2011.
Calculate lightning protection for building structure. Lightning protection for gaspipelines installed under the ground hitoshi kijima, kenji takato, kazuo murakawa electrical department polytechnic university 411 sagamihara. Lpi advocates use of lpiip as the thirdparty inspection authority for system design, components and installation. The calculator is built following nfpa 780 standards. Lightning protection guide glatfelter healthcare practice. Nfpa 780, but also permit coverage of other streamer influencing technologies that provide an 3 nfpa 1. Copies of nfpa documents are available from the national fire protection association.
1000 725 455 126 597 373 463 1056 938 629 461 444 355 1017 247 1406 290 321 1084 461 1189 1321 405 650 617 1188 1546 1553 1358 1103 599 1497 772 1375 932 1232 934 1342 772 524 205 368 1234 1498 1280 1223